| Prototheria |
echidnas; platypus
출처: wordnet.princeton.edu/perl/webwn
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| Prototheria |
(Pro
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| Prototheria |
From the Greek for "first beast." A stem clade of mammals whose only living descendants are the monotremes (platypus and echidna).
출처: palaeo-electronica.org/2000_1/retinal/gloss.htm
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